.code{
    width: 100%;
    
}
.code .on{
    margin-top: 4%;
    width: 100%;
    height: 8%;
    display: flex;
    align-items: center;
    justify-content:space-around;
}
.on .we{
    color: #111;
    font-size: 20px;
}
.mm{
    margin-top: 4%;
    width: 100%;
    height: 68%;
   
    text-align: center;
    line-height: 68%;
}
.mm img{
    width: 80%;
    line-height:68%;
}
.sao{
    margin-top: 15%;
    height: 10%;
    text-align: center;
    padding-bottom: 20px;
    display: flex;
    flex-direction: column;
}
